Civil Support Services LLC

Southwest Gas Corporation, established in 1931, purchases, transports and distributes natural gas to residential, commercial and industrial customers throughout the Southwest. The company also provides trenching and installation, replacement, and maintenance services for energy distribution systems to the utility companies. The industrial services offered by the company include comparisons of energy equipment, analysis of bills and rate schedules, evaluations of natural gas pipelines and capacities. Its Web site offers various online services to customers, such as bill payments, tariff plans, energy saving tips, information on natural gas equipment, service coupons and loyalty benefits. The company serves natural gas to more than 1.5 million customers throughout Arizona, Nevada and California. Southwest Gas Corporation is headquartered in Las Vegas.